package com.itheima.reggie.config;


import com.itheima.reggie.common.JacksonObjectMapper;
import lombok.extern.slf4j.Slf4j;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;

import java.util.List;

@Configuration
@Slf4j
public class WebMvcConfig extends WebMvcConfigurationSupport {
    @Override
    public void addResourceHandlers(ResourceHandlerRegistry registry){
        registry.addResourceHandler("/backend/**").addResourceLocations("classPath:/backend/");
        registry.addResourceHandler("/front/**").addResourceLocations("classPath:/front/");
    }

    //配置SpringMvc消息转换器
    @Override
    protected void extendMessageConverters(List<HttpMessageConverter<?>> converters) {
        //创建消息转换器对象
        MappingJackson2HttpMessageConverter messageConverter = new MappingJackson2HttpMessageConverter();
        //设置转换器,底层使用Jackson将java对象转化成json
        messageConverter.setObjectMapper(new JacksonObjectMapper());
        //添加到mvc框架里面
        converters.add(0,messageConverter);

    }
}
